lb1spc.S: Emit .note.GNU-stack section for a non-executable stack.

	* config/sparc/lb1spc.S [__ELF__ && __linux__]: Emit .note.GNU-stack
	section for a non-executable stack.

From-SVN: r248043

libgcc/ChangeLog

+2017-05-15  Adhemerval Zanella  <adhemerval.zanella@linaro.org>
+
+	* config/sparc/lb1spc.S [__ELF__ && __linux__]: Emit .note.GNU-stack
+	section for a non-executable stack.
+
 2017-05-14  Krister Walfridsson  <krister.walfridsson@gmail.com>
 
 	PR target/80600

libgcc/config/sparc/lb1spc.S

@@ -5,6 +5,12 @@
    slightly edited to match the desired calling convention, and also to
    optimize them for our purposes.  */
 
+/* An executable stack is *not* required for these functions.  */
+#if defined(__ELF__) && defined(__linux__)
+.section .note.GNU-stack,"",%progbits
+.previous
+#endif
+
 #ifdef L_mulsi3
 .text
 	.align 4